Home / 223,213.08-308,033.10-122,608.92

Finding the Fourth Proportional to 223,213.08, 308,033.10 and 122,608.92

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Solution

The fourth proportional to 223,213.08, 308,033.10 and 122,608.92 is: 169,199.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,213.08 : 308,033.10 = 122,608.92 : x
  2. Step 2: Convert to fraction form
    223,213.08/308,033.10 = 122,608.92/x
  3. Step 3: Cross multiply
    223,213.08x = 308,033.10 × 122,608.92
  4. Step 4: Simplify right side
    223,213.08x = 37,767,605,715.25
  5. Step 5: Solve for x
    x = 37,767,605,715.25/223,213.08
  6. Step 6: Final answer
    x = 169,199.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.